8th Grade Linear Functions
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear function?
Back
A linear function is a function that can be graphically represented as a straight line. It has the form y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope of a line represents the rate of change of the dependent variable (y) with respect to the independent variable (x). It indicates how steep the line is.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
How do you calculate the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) can be calculated using the formula m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What is the y-intercept of a linear function?
Back
The y-intercept is the point where the line crosses the y-axis. It is represented by the value of b in the equation y = mx + b.
5.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant of proportionality is the constant ratio between two variables that are directly proportional to each other. In a linear function, it is equivalent to the slope.
Tags
CCSS.HSF-LE.A.1B
6.
FLASHCARD QUESTION
Front
What does it mean for two quantities to be directly proportional?
Back
Two quantities are directly proportional if they increase or decrease at the same rate, meaning their ratio remains constant.
Tags
CCSS.7.RP.A.2D
7.
FLASHCARD QUESTION
Front
How can you identify the slope from a table of values?
Back
To identify the slope from a table of values, calculate the change in y divided by the change in x between two points.
Tags
CCSS.8.EE.B.5
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